John Deere Tractor 4440

Lubricate axle pivot pins, steering spindles, and tie rods with several shots of grease specified on page 83 (10 fittings)

Grease front wheel bearings daily, only if tractor has been in extremely wet conditions. Continue 10 hour lubrication until wheel bearings can be cleaned and repacked. Use grease specified on page 84

Lubricate wide-swing drawbar rollers with several shots of grease specified on page 83

Lubricate fittings on ends of rear axles and radius rod pivot grease fitting on Hi-Crop tractors with several shots of grease with grease specified on page 83

Check fuel pump sediment bowl and fuel filters for sediment or water. If any is present, drain it out and bleed air from lines. See page 105

Remove radiator cap and check coolant. Level should be 1-1/2-in. (38 mm) above the baffle located in the radiator top tank. Add clean water or antifreeze as needed

Drain water from fuel tank sump

Check air intake system for leaks

Replace transmission-hydraulic system filter elements

Have your John Deere dealer check engine valve clearance

Change engine coolant conditioner-filter

Sign off on the hourly maintenance

Service air cleaner indicator light glowing?

If the indicator light is glowing or suspected to be defective, replace the elements. Refer to page 100 for instructions.

Close shut-off valve on bottom of fuel tank before removing filters. Replace both filter elements. Open fuel shut-off valve, and pump hand primer to bleed air from filters.

To remove filter retaining clip, push top inward enough to lift tab.

Sign off on the as required maintenance

Warning: This maintenance check requires trained personnel with PPE!

John Deere dealer cleaned filter in main hydraulic pump

Front wheel bearings disassembled, cleaned, packed with grease, and reassembled

Final drive housing drain plugs removed and oil drained out on Hi-Crop tractors

Amount of gear lubricant added to each housing

Drain plug removed from transmission case and oil drained out

Hydraulic pump suction screen removed, washed, dried, and reinstalled

Amount of transmission-hydraulic oil added to the system

Oil level checked after operating tractor for five minutes

Replace transmission filter element on Quad-Range tractor

Check transmission-hydraulic system oil level

Wash breather filter inside filler cap

Check oil level in each final drive housing on Hi-Crop tractors

Replace engine oil filter and packing

Check tension of alternator and compressor belts